How many movies have Li Chiang and Tsai Hung acted in together?

They have worked on 6 movies together! Their first movie together was White Butterfly Killer (1973) while their highest rated movie together was Five Shaolin Masters (1974). They have not worked together since Dual Flying Kicks (1978). They are most known for their action films together.

Role
Manchu Fighter at Tea Stall
Role
Pao Yu-Lung, Flying Axe